Question

the area of semicircle whose diameter is 10.5cm is​

Answer 1

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Answer 2

Answer:

$\:$

Area of semicircle

$= \frac{1}{2} \pi {r}^{2}$

diameter = 2×radius

radius =

$\frac{10.5}{2} = 5.25cm$

$= \frac{1}{2} \pi ( {5.25)}^{2}$

$= \frac{1}{2} \pi \: 26381.25 \: cm$